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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 59 | |
| 60 | /** |
| 61 | * Filters the list table class to instantiate. |
| 62 | * |
| 63 | * @since 6.1.0 |
| 64 | * |
| 65 | * @param string $class_name The list table class to use. |
| 66 | * @param array $args An array containing _get_list_table() arguments. |
| 67 | */ |
| 68 | $custom_class_name = apply_filters( 'wp_list_table_class_name', $class_name, $args ); |
| 69 | |
| 70 | if ( is_string( $custom_class_name ) && class_exists( $custom_class_name ) ) { |
| 71 | $class_name = $custom_class_name; |
| 72 | } |
| 73 | |
| 74 | return new $class_name( $args ); |
| 75 | } |
| 76 | |
| 77 | return false; |